10120121212121 has 8 divisors (see below), whose sum is σ = 10132576947360. Its totient is φ = 10107672992128.

The previous prime is 10120121212109. The next prime is 10120121212133. The reversal of 10120121212121 is 12121212102101.

10120121212121 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10120121212109) and next prime (10120121212133).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 10120121212121 - 2¹⁰ = 10120121211097 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10120121212121.

It is not an unprimeable number, because it can be changed into a prime (10120121212321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 818450 + ... + 4572756.

It is an arithmetic number, because the mean of its divisors is an integer number (1266572118420).

Almost surely, 2^{10120121212121} is an apocalyptic number.

It is an amenable number.

10120121212121 is a deficient number, since it is larger than the sum of its proper divisors (12455735239).

10120121212121 is a wasteful number, since it uses less digits than its factorization.

10120121212121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3757623.

The product of its (nonzero) digits is 32, while the sum is 17.

Adding to 10120121212121 its reverse (12121212102101), we get a palindrome (22241333314222).

The spelling of 10120121212121 in words is "ten trillion, one hundred twenty billion, one hundred twenty-one million, two hundred twelve thousand, one hundred twenty-one".